Aurora Borealis, or Northern Lights, are pictured following a powerful sunstorm over Portsall, western France, on Jan. 19, 2026. Aurora Borealis, or Northern Lights, are pictured following a powerful ...

(NEXSTAR) – A solar radiation storm stronger than one we’ve seen in over two decades is in progress, the Space Weather Prediction Center announced Monday. The storm is classified as an “S4” – the ...

Experts say that there is a 12% chance of a large solar storm hitting Earth every 10 years. While solar storms aren’t harmful to humans, such events can be massively disruptive to our power system.

Tree rings hold clues about ancient solar storms. New research shows tree growth and carbon storage can shift those signals across years.